Put them in where you feel is sensible. This stuff is not that complicated. Hitting chins heavy too soon before deadlifts or bench usually causes trouble performing those exercises and adding the scheduled weights, but other than that they are good to throw in pretty much anywhere.
If you use a fairly narrow grip for pressing, it will be fairly arm dominant. Chins and tricep specific work will help a lot. Intense bicep work seems to help a lot with bench press, but not as much with pressing overhead.
If you use a wider grip, delts will be doing a lot of the hardest work. So isolation delt work woudl probably help a lot but is very much not in fashion around here.
Also, dont rule out simply doing more pressing. Pressing is very easy to revover from compared to other lifts, you can do them very often with out problems. Vary methods (push pressing, push jerking, overloaded press-starts, pressing against pins, dumb bell pressing, clean & pressing, one arm pressing etc..